Database of animal natural history, distribution, classification, and conservation biology. Contains species accounts about individual animal species and descriptions of levels of organization above the species level, especially phyla, classes, and in some cases, orders and families.
Provides taxonomic, conservation status and distribution information on plants and animals that are extinct, at risk of extinction, or near threatened.
Provides views for genomes, complete chromosomes, sequence maps with contigs, and integrated genetic and physical maps for Archaea, Bacteria, Eukaryotae, Viruses, Viroids
Retrieves protein information (inluding sequences and annotations) from a variety of sources, including SwissProt, PIR, PRF, PDB, and translations from annotated coding regions in GenBank and RefSeq.
Encyclopedia on the structure and function of proteins, RNA, DNA, and other macromolecules, and their assemblies and interactions with small molecules.
Freely accessible research database focusing on the relationship between human beings and the environment (subjects cover law, agriculture, education, health, technology, etc.) Contains scholarly and general interest titles, government documents, and reports.
Contains Darwin's complete publications, 20,000 private papers, a Darwin bibliography, manuscript catalogue and supplementary works such as specimens, biographies, obituaries, reviews, reference works, etc. Texts are searchable.